CN218988212U

CN218988212U - Jet mill for grinding white corundum

Info

Publication number: CN218988212U
Application number: CN202223292907.9U
Authority: CN
Inventors: 张金满
Original assignee: Jinan Shengtaiyuan New Material Co ltd
Current assignee: Jinan Shengtaiyuan New Material Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-09
Anticipated expiration: 2032-12-08

Abstract

The utility model provides an air flow pulverizer for grinding white corundum, and relates to the technical field of grinding machine equipment. According to the utility model, the inclined plates and the filter plates are respectively arranged in the middle part and the lower part of the material receiving box, the inclined plates and the filter plates can reduce the dropping speed of the ground white corundum, which is transmitted by the material conveying pipe above, so that the dust raised by the white corundum falling into the ash bucket below can be reduced, an operator can also connect the air exhaust pipe with the fan, the raised dust can be sucked by a low-pressure area formed when the fan is started, the area above the baffle plate in the dust removing box is a clean area along with the entering of the connecting pipe into the dust removing box, dust mixed in the air entering the dust removing box can be filtered by the filter cylinder, the filtered clean air can be discharged into the atmosphere along with the air exhaust pipe, and the dust filtered by the filter cylinder can be accumulated at the bottom of the dust removing box, so that the operator can further process the dust conveniently.

Description

Jet mill for grinding white corundum

Technical Field

The utility model relates to the technical field of grinding machine equipment, in particular to an air flow pulverizer for grinding white corundum.

Background

White corundum is one type of artificial abrasive. The aluminum oxide (Al 2O 3) content is more than 99%, and the aluminum oxide contains a small amount of ferric oxide, silicon oxide and other components, is white, and the granularity of the product is produced according to international standards and national standards, and can be processed according to the granularity required by users. The general particle size number is F4-F220, and the chemical components are different according to the particle size. The outstanding characteristics are that the crystal size is small and impact-resistant, if the crystal is crushed by an autogenous mill, the particles are spherical particles, the surface is dry and clean, and the bonding agent is easy to bond.

Among the prior art, as chinese patent CN216296612U discloses a pneumatic grinder for white corundum grinding, including the pneumatic grinder main part, be equipped with the barrel in the pneumatic grinder main part, the barrel overcoat is equipped with the distribution ring canal, and evenly is connected with the air current pipe on the distribution ring canal to the high-pressure nozzle with the inside communicating of barrel is installed to the air current pipe other end, barrel side is equipped with discharge channel and feed channel respectively, and the feed channel side is connected with the mount pad, and installs the cloth nozzle in the mount pad, the bottom is installed to the barrel lower extreme, and the bottom interpolation is equipped with the drive shaft, the drive shaft upper end is connected with the link.

But among the prior art, the white corundum powder after grinding can discharge to collection device through the feed opening, and the in-process that the white corundum after grinding dropped to collection device can produce a large amount of dust, and these dust can cause the pollution to the environment in workshop, still can produce the harm to the respiratory tract after being inhaled by the staff in workshop.

Disclosure of Invention

The utility model aims to solve the problems that the existing white corundum powder after grinding is discharged into a collecting device through a discharging opening, a large amount of dust is generated in the process that the white corundum powder after grinding falls into the collecting device, the dust can pollute the environment of a production workshop, and the air flow pulverizer for white corundum grinding is damaged to the respiratory tract after being inhaled by staff in the workshop.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pneumatic grinder for white corundum grinding, includes receives the workbin, one side fixedly connected with swash plate at workbin middle part is received in the outside at workbin middle part has cup jointed the dead leg, the lower extreme fixedly connected with ash bucket of receipts workbin, the middle part fixed mounting of ash bucket has the filter, the below in a middle part of receipts workbin is link up and is connected with the connecting pipe, the one end and the dust removal case of connecting pipe, the upper end fixedly connected with baffle at dust removal case middle part, the mounting hole has all been seted up to the both sides at baffle middle part, the equal fixedly connected with in surface of mounting hole is strained the section of thick bamboo, one side through-connection of dust removal case upper end has the blast pipe.

Preferably, one side of the upper end of the material receiving box is connected with a material conveying pipe in a penetrating way, and one side of one end of the material conveying pipe is provided with a notch.

Preferably, a rotating shaft is arranged in the middle of the conveying pipe, and one end of the rotating shaft is fixedly connected with a motor.

Preferably, the surface of the rotating shaft is fixedly connected with a rotating knife, and the motor is positioned in the material receiving box.

Preferably, the other end of the conveying pipe is connected with a crushed aggregates box in a penetrating way, a material guiding opening is fixedly arranged at the upper end of the crushed aggregates box, and a bracket is fixedly arranged at the outer side of the crushed aggregates box.

Preferably, the lower extreme of crushed aggregates case has cup jointed the jetting subassembly, all be connected with the Laval nozzle around the jetting subassembly middle part, the one end fixedly connected with pipe of Laval nozzle.

Preferably, the outer surface of pipe one end has cup jointed control valve, the middle part fixedly connected with separation filter screen of crushed aggregates case, the Laval nozzle is located the inside of crushed aggregates case.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the inclined plates and the filter plates are respectively arranged in the middle part and the lower part of the material receiving box, the inclined plates and the filter plates can reduce the dropping speed of the ground white corundum, which is transmitted by the material conveying pipe above, so that the dust raised by the white corundum falling into the ash bucket below can be reduced, an operator can also connect the air exhaust pipe with the fan, the raised dust can be sucked by a low-pressure area formed when the fan is started, the area above the baffle plate in the dust removing box is a clean area along with the entering of the connecting pipe into the dust removing box, dust mixed in the air entering the dust removing box can be filtered by the filter cylinder, the filtered clean air can be discharged into the atmosphere along with the air exhaust pipe, and the dust filtered by the filter cylinder can be accumulated at the bottom of the dust removing box, so that the operator can further process the dust conveniently.

2. Through set up by motor driven pivot in the middle part of conveying pipeline, the rotating knife that sets up outside the pivot generally presents the spiral state of advancing, and the white corundum that grinds in the conveying pipeline that enters into can be along with the rotating knife removal under the drive of motor, and the motor can drive the rotating knife and will white corundum towards the conveying pipeline one end removal of seting up the breach in the material receiving box, has the effect of preventing conveying pipeline jam.

Drawings

FIG. 1 is a perspective view of an jet mill for grinding white corundum, which is provided by the utility model;

FIG. 2 is a schematic view showing a sectional structure of a pulverizing box of an jet mill for grinding white corundum;

FIG. 3 is a schematic diagram of a cross-sectional structure of a material receiving box of an jet mill for grinding white corundum;

FIG. 4 is a schematic diagram of an explosive structure of a feed delivery pipe of a jet mill for grinding white corundum;

fig. 5 is a schematic cross-sectional view of a dust removing box of an air flow pulverizer for grinding white corundum.

Legend description:

1. a crushing box; 11. a bracket; 12. a material guiding port; 13. a blowing assembly; 14. a laval nozzle; 15. a conduit; 16. a control valve; 17. separating a filter screen; 18. a material conveying pipe; 19. a notch; 20. a motor; 2. a fixed leg; 21. a rotating shaft; 22. a rotary cutter; 23. a material receiving box; 24. an ash bucket; 25. a sloping plate; 26. a connecting pipe; 27. a dust removal box; 28. an exhaust pipe; 29. a baffle; 3. a filter plate; 30. a mounting hole; 31. a filter cartridge.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1, fig. 3 and fig. 5, the utility model provides an airflow crusher for grinding white corundum, which comprises a receiving box 23, wherein one side of the middle part of the receiving box 23 is fixedly connected with a sloping plate 25, the outer side of the middle part of the receiving box 23 is sleeved with a fixed leg 2, the lower end of the receiving box 23 is fixedly connected with an ash bucket 24, the middle part of the ash bucket 24 is fixedly provided with a filter plate 3, the lower part of the middle part of the receiving box 23 is connected with a connecting pipe 26 in a penetrating way, one end of the connecting pipe 26 is connected with a dust removing box 27, the upper end of the middle part of the dust removing box 27 is fixedly connected with a baffle 29, both sides of the middle part of the baffle 29 are respectively provided with a mounting hole 30, the surface of the mounting hole 30 is fixedly connected with a filter cylinder 31, one side of the upper end of the dust removing box 27 is connected with an exhaust pipe 28, the receiving box 23 can collect crushed white corundum, the collected white corundum can fall into the ash bucket 24 below the dust bucket, the white corundum can conveniently collect white corundum by an operator, the white corundum can fall into the dust hopper 24 below the dust removing box, the dust can fall into a dust removing area of the dust box 27 through the filter box, the dust can fall into the dust removing pipe 28 with the filter box 27, the dust can be sucked into the dust area through the dust box, and the dust can fall into the dust box 27, and the dust can be blown into the dust box 28 with the dust box, and the dust can be discharged into the dust box 27, and the dust can flow down area, and the dust can be discharged into the dust box and the dust box can be discharged into the dust box with the air area with the air channel and the air as the air is reduced.

As shown in fig. 2 and fig. 4, a conveying pipe 18 is connected to one side of the upper end of the material receiving box 23 in a penetrating manner, a notch 19 is formed in one side of one end of the conveying pipe 18, the conveying pipe 18 can convey crushed white corundum from the material crushing box 1 to the material receiving box 23, and the conveyed white corundum falls into an ash bucket 24 below at the notch 19.

As shown in fig. 1, 3 and 4, a rotating shaft 21 is disposed in the middle of the conveying pipe 18, one end of the rotating shaft 21 is fixedly connected with a motor 20, and the motor 20 drives the rotating shaft 21 to rotate rapidly to cooperate with a rotary cutter 22 to convey white corundum.

As shown in fig. 4, the surface of the rotating shaft 21 is fixedly connected with a rotary cutter 22, the motor 20 is located in the material receiving box 23, the rotating shaft 21 drives the rotary cutter 22 on the outer side to rotate, the rotary cutter 22 generally presents a spiral advancing state, and white corundum can be conveyed towards one end of the material conveying pipe 18 provided with the notch 19 in the material receiving box 23.

As shown in fig. 1 and 2, the other end of the conveying pipe 18 is connected with a particle box 1 in a penetrating manner, a material guiding opening 12 is fixedly arranged at the upper end of the particle box 1, a bracket 11 is fixedly arranged at the outer side of the particle box 1, the bracket 11 can support the particle box 1, and an operator can guide white corundum raw materials to be crushed into the particle box 1 through the material guiding opening 12.

As shown in fig. 1 and fig. 2, the lower end of the particle box 1 is sleeved with a blowing component 13, the periphery in the middle of the blowing component 13 is fixedly connected with a laval nozzle 14, one end of the laval nozzle 14 is fixedly connected with a conduit 15, compressed air enters the blowing component 13 through the conduit 15 and is transmitted to the vicinity of the laval nozzle 14 through the blowing component 13, the laval nozzle 14 can jet compressed air into the particle box 1 at a high speed, and white corundum can collide with each other, rub and shear at the junction of multiple high-pressure air streams so as to be crushed.

As shown in fig. 1 and fig. 2, the outer surface of one end of the conduit 15 is sleeved with a control valve 16, the middle part of the crushing box 1 is fixedly connected with a separation filter screen 17, the laval nozzle 14 is positioned in the crushing box 1, the separation filter screen 17 can separate the crushed white corundum entering the crushing box 1, the processed white corundum is separated from the unprocessed white corundum, and an operator can adjust the injection rate of the laval nozzle 14 through the control valve 16.

The application method and the working principle of the device are as follows: before use, an operator guides white corundum raw materials to be crushed into the crushed material box 1 through the material guide opening 12, when the device operates, compressed air enters the blowing assembly 13 through the guide pipe 15, the compressed air is transmitted to the vicinity of the Laval nozzle 14 through the blowing assembly 13, the Laval nozzle 14 can jet compressed air into the crushed material box 1 at a high speed, the meeting extremely high speed between the white corundum can collide, rub and shear mutually at the junction of a plurality of high-pressure air flows so as to achieve the crushing effect, the separation filter screen 17 can separate the crushed white corundum in the crushed material box 1, the processed white corundum is separated from unprocessed white corundum, the processed white corundum can be transmitted into the material box 23 from the crushed material box 1 through the material conveying pipe 18, the rotary cutter 22 is in a spiral advancing state in total, the white corundum can be transmitted towards one end of the material conveying pipe 18 provided with a notch 19 in the material box 23, the transported white corundum can fall into the ash bucket 24 below at the notch 19, through setting up swash plate 25 and filter 3 respectively in the middle part and the below of receiving the workbin 23, swash plate 25 and filter 3 can reduce the speed that white corundum after the grinding that the top passed through conveying pipeline 18 was dropped, can reduce the dust that white corundum fallen into the ash bucket 24 below and raise, the operator can also be connected with the fan for blast pipe 28, the dust of raising can be absorbed by the low pressure zone that forms when the fan starts, along with connecting pipe 26 gets into dust collection box 27, the region above baffle 29 in the dust collection box 27 is clean region, the dust that is mingled with in the air that gets into dust collection box 27 can be filtered by filter cylinder 31, clean air after the filtration can be discharged to the atmosphere along with blast pipe 28.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a white corundum grinds with jet mill, includes material receiving box (23), its characterized in that: one side fixedly connected with swash plate (25) at material receiving box (23) middle part, fixed leg (2) have been cup jointed in the outside at material receiving box (23) middle part, the lower extreme fixedly connected with ash bucket (24) of material receiving box (23), the middle part fixed mounting of ash bucket (24) has filter (3), the below in a middle part of material receiving box (23) link up and is connected with connecting pipe (26), one end and dust removal case (27) of connecting pipe (26), the upper end fixedly connected with baffle (29) at dust removal case (27) middle part, mounting hole (30) have all been seted up to the both sides at baffle (29) middle part, the equal fixedly connected with of surface of mounting hole (30) is strained section of thick bamboo (31), one side link up and is connected with blast pipe (28) at dust removal case (27) upper end.

2. A jet mill for grinding white corundum according to claim 1, characterized in that: one side of the upper end of the material receiving box (23) is connected with a material conveying pipe (18) in a penetrating way, and one side of one end of the material conveying pipe (18) is provided with a notch (19).

3. A jet mill for grinding white corundum according to claim 2, characterized in that: the middle part of conveying pipeline (18) is provided with pivot (21), the one end fixedly connected with motor (20) of pivot (21).

4. A jet mill for grinding white corundum as claimed in claim 3, characterized in that: the surface of the rotating shaft (21) is fixedly connected with a rotating knife (22), and the motor (20) is positioned in the material receiving box (23).

5. A jet mill for grinding white corundum according to claim 2, characterized in that: the other end of the conveying pipe (18) is connected with a crushed aggregates box (1) in a penetrating mode, a material guide opening (12) is fixedly arranged at the upper end of the crushed aggregates box (1), and a support (11) is fixedly arranged on the outer side of the crushed aggregates box (1).

6. A jet mill for grinding white corundum as defined in claim 5, wherein: the lower extreme of crushed aggregates case (1) has cup jointed jetting subassembly (13), all be connected with Laval nozzle (14) around jetting subassembly (13) middle part, the one end fixedly connected with of Laval nozzle (14) links pipe (15).

7. A jet mill for grinding white corundum as defined in claim 6, wherein: the outer surface of pipe (15) one end has cup jointed control valve (16), the middle part fixedly connected with separation filter screen (17) of crushed aggregates case (1), laval nozzle (14) are located the inside of crushed aggregates case (1).